Economic Impact of Harvesting Corn Stover under Time Constraint: The Case of North Dakota

Table 3

Estimated corn grain and cob harvest cost using cob caddy harvest method.

Variable	Corn combine	Cob harvester
Horse power (hp)	275.00	115.00
Corn head width (ft)	20.00
Life (year)	12.00	10.00
Annual hours of use	300.00	300.00
Fuel consumption (gal/hr)	12.10	2.50
Speed (mph)	2.00	2.00
Field efficiency (%)	0.70	0.70
Capacity (acre/hr)	3.39	3.39
Fuel price ($/gal)	$2.60	$2.60
List price ($)	$334,795.32	$120,000.00
Fixed cost ($/hr)	$104.02	$40.24
Repair cost ($/hr)	$37.20	$18.00
Fuel cost ($/hr)	$31.46	$6.50
Lubrication cost ($/hr)	$4.72	$0.98
Labor cost ($/hr)	$17.50
Variable cost ($/hr)	$90.88	$25.48
Total cost ($/hr)	$194.90	$65.72
Total cost ($/acre)	$57.43	$19.36